and the 18th count are attested at his Meidum pyramid. This would mean that Sneferu ruled Egypt a minimum of 27 full years.

However, in the Palermo Stone, recto 6 at the bottom of the fragment shows the year of the 7th count of Sneferu while recto 7 on the same following row shows the year of the 8th count of Sneferu. Significantly, there is a previous mostly intact column for Sneferu in recto 5 which also mentions events in this king's reign in a specific